// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_DELEGATE_H_
#define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_DELEGATE_H_

#include "content/common/content_export.h"
#include "ipc/ipc_listener.h"

namespace content {

// Interface that all users of BrowserChildProcessHost need to provide.
class CONTENT_EXPORT BrowserChildProcessHostDelegate : public IPC::Listener {
public:
    ~BrowserChildProcessHostDelegate() override { }

    // Delegates return true if it's ok to shut down the child process (which is
    // the default return value). The exception is if the host is in the middle of
    // sending a request to the process, in which case the other side might think
    // it's ok to shutdown, when really it's not.
    virtual bool CanShutdown();

    // Called when the process has been started.
    virtual void OnProcessLaunched() { }

    // Called if the process failed to launch.  In this case the process never
    // started so the code here is a platform specific error code.
    virtual void OnProcessLaunchFailed(int error_code) { }

    // Called if the process crashed. |exit_code| is the status returned when the
    // process crashed (for posix, as returned from waitpid(), for Windows, as
    // returned from GetExitCodeProcess()).
    virtual void OnProcessCrashed(int exit_code) { }
};

}; // namespace content

#endif // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_DELEGATE_H_
